<template>
    <panel-head :route="route" />
    <div class="btns">
        <el-button :icon="Plus" type="primary" @click="open(null)" size="small">新建</el-button>
    </div>
    <el-table :data="tableData.list" style="width: 100%;">
        <el-table-column prop="id" label="id" />
        <el-table-column prop="name" label="昵称" />
        <el-table-column prop="permissionName" label="菜单权限" width="500px" />
        <el-table-column label="操作">
            <template #default="scope">
                <el-button type="primary" @click="open(scope.row)">编辑</el-button>
            </template>
        </el-table-column>
    </el-table>
    <div class="pagination-info">
        <el-pagination
      v-model:current-page="paginationData.pageNum"
      :page-size="paginationData.pageSize"
      :background="false"
      size="small"
      layout="total, prev, pager, next"
      :total="tableData.total"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
    />
    </div>
    <el-dialog
    v-model="dialogFormVisable"
    :before-close="beforeClose"
    title="添加权限"
    width="500"
    >
         <el-form
         ref="formRef"
         label-width="100px"
        label-position="left"
        :model="form"
        :rules="rules"
         >
         <el-form-item v-show="false" prop="id">
              <el-input v-model="form.id"></el-input>
        </el-form-item>
           <el-form-item label="名称" prop="name">
               <el-input v-model="form.name" placeholder="请填写权限名称" />
        </el-form-item>
        <el-form-item label="权限" prop="permissions">
         <el-tree 
         ref="treeRef"
         style="max-width: 600px;"
         :data="permissionData"
         node-key="id"
         show-checkbox
         :default-checked-keys="defaultKeys"
         :default-expanded-keys="[2]"
          />
        </el-form-item>
    </el-form>
    <template #footer>
        <div class="dialog-footer">
            <el-button type="primary" @click="confirm(formRef)">确认</el-button>
        </div>
    </template>
  </el-dialog>
</template>

<script setup>
import{ref,reactive,onMounted, nextTick} from'vue'
import {userGetMenu,userSetMenu,menuList} from '../../../api'
import {Plus} from '@element-plus/icons-vue'
import { useRoute } from 'vue-router'

const route = useRoute()

onMounted(()=>{
    userGetMenu().then(({data})=>{
        console.log(data);
        permissionData.value =data.data
        
    })
    getListData()
})

const tableData = reactive({
    list:[],
    total:0
})

const open = (rowData={})=>{
    dialogFormVisable.value = true

    nextTick(()=>{
        if(rowData){
            Object.assign(form,{id:rowData.id,name:rowData.name})
            treeRef.value.setCheckedKeys(rowData.permission)
        }
    })
}

const paginationData = reactive({
    pageNum:1,
    pageSize:10
})

const handleSizeChange = (val)=>{
    paginationData.pageSize =val
    getListData()
}

const handleCurrentChange = (val)=>{
    paginationData.pageNum = val
    getListData()
}

const getListData = ()=>{
    menuList(paginationData).then(({data})=>{
       const {list,total} =data.data
       tableData.list=list
       tableData.total = total
        
    })
}

const formRef = ref()

const form = reactive({
    id:'',
    name:'',
    permissions:''
})

const permissionData = ref([])

const dialogFormVisable = ref(false)

const beforeClose = ()=>{
    dialogFormVisable.value =false

    formRef.value.resetFields()

    treeRef.value.setCheckedKeys(defaultKeys)
}

const defaultKeys= [4,5]
const treeRef = ref()

const rules =reactive({
    name:[{required:true,trigger:'blur',message:'请输入权限名称'}]
})

const confirm = async(formEl)=>{
    if(!formEl) return
    await formEl.validate((valid, fields)=>{
        if(valid){
           const permissions = JSON.stringify( treeRef.value.getCheckedKeys())
            userSetMenu({ name:form.name,permissions,id:form.id }).then(({data})=>{
                beforeClose()
                getListData()
            })
        }else{
            console.log('error submit!', fields)
        }
    })
}
</script>

<style lang="less" scoped>
.btns{
    padding: 10px 0 10px 10px;
    background-color: #fff;
}
</style>